Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: BSTNMABLOMD

<< 1 2 3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
978-216 A Bolton MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-245 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-261 A Sudbury MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-267 A Wilmington MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-272 A Groton MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-295 A Sudbury MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-316 A Concord MA 9748 AMERICAN MESSAGING SERVICES, LLC 128      
978-403 A Lunenburg MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-444 A Wilmington MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-472 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 A Billerica MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-545 A Billerica MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-547 A Billerica MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-572 A Newburyport MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-576 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-585 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-591 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-593 A Athol (Franklin County) MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-622 A Billerica MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-629 A Billerica MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-638 A Concord MA 9748 AMERICAN MESSAGING SERVICES, LLC 128      
978-674 A Lowell MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-680 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-706 A Clinton MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-734 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-786 A Leominster MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-803 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-822 A Shirley MA 990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-12-09   
978-859 A Concord MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-924 A Wilmington MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-958 A Gardner MA 990E BANDWIDTH.COM CLEC, LLC - MA 128      

<< 1 2 3

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.